condition mean min max 12pM Fe,Midday 27.9834 27.9834 27.9834 12pM Fe,Midnight 22.587899999999998 21.5308 23.645 58pM Fe,Midday 22.6976 22.6976 22.6976 58pM Fe,Midnight 19.57202857142857 0.0 27.2079 233pM Fe,Midnight 22.836466666666666 20.6948 25.2974 1160pM Fe,Midday 21.9314 19.255 25.9773 1160pM Fe,Midnight 8.856560833333333 5.61264 14.666 High carbon,Dark 21.958574 7.12561 49.0085 High carbon,Light 19.187805384615384 4.11854 30.2024 Low carbon,Dark 13.2626 13.2626 13.2626 Phloroglucinol 19.854333333333333 17.9004 21.0088 Silicon starvation,12h 28.858 28.858 28.858